.cabient{
  border: 1px solid #eee;
  >div{
    border-bottom: 1px solid #eee;
    padding: 5px;
    height: 40px;
    &:last-child{
      border-bottom: none;
    }
    &.u2{
       height: 80px;
    }
    &.u3{
       height: 120px;
    }
    &.u4{
       height: 160px;
    }
    >div{
      height: 100%;
      border: 1px solid #eee;
      background: black;
      color: #fff;
    }
  }
}
